// 宏命令模式
const MacroCommand = function () {
    return {
        commandsList: [],
        add: function (command) {
            this.commandsList.push(command);
        },
        execute: function () {
            for (let item of this.commandsList) {
                item.execute();
            }
        }
    }
}

const closeDoorCommand = {
    execute: function () {
        console.log('关门');
    }
}

const openPcCommand = {
    execute: function () {
        console.log('开电脑');
    }
}

const openQQCommand = {
    execute: function () {
        console.log('登录QQ');
    }
}

const macroCommand = MacroCommand();
macroCommand.add(closeDoorCommand);
macroCommand.add(openPcCommand);
macroCommand.add(openQQCommand);
macroCommand.execute();
